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Finding the Fourth Proportional to 5,505,551.40, 8,242,580.70 and 5,505,551.40

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Solution

The fourth proportional to 5,505,551.40, 8,242,580.70 and 5,505,551.40 is: 8,242,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505,551.40 : 8,242,580.70 = 5,505,551.40 : x
  2. Step 2: Convert to fraction form
    5,505,551.40/8,242,580.70 = 5,505,551.40/x
  3. Step 3: Cross multiply
    5,505,551.40x = 8,242,580.70 × 5,505,551.40
  4. Step 4: Simplify right side
    5,505,551.40x = 45,379,951,712,497.98
  5. Step 5: Solve for x
    x = 45,379,951,712,497.98/5,505,551.40
  6. Step 6: Final answer
    x = 8,242,580.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.